pmmngr.h

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#ifndef __PMMNGR_H__
#define __PMMNGR_H__
 
#include <aurora.h>
 
 
#define AURORA_PAGE_KERNEL  (1ULL<<0)
#define AURORA_PAGE_SHM     (1ULL<<1)
#define AURORA_PAGE_DMA     (1ULL<<2)
#define AURORA_PAGE_NORMAL (1ULL << 3)
typedef struct _au_page_desc_ {
    uint64_t phys_addr;
    uint16_t refcount;
    uint64_t last_accessed;
    uint8_t page_type;
}AuPageDesc;
 
extern void AuPmmngrInitialize(KERNEL_BOOT_INFO *info);
 
AU_EXTERN AU_EXPORT void* AuPmmngrAlloc();
 
AU_EXTERN AU_EXPORT void* AuPmmngrAllocBlocks(int num);
 
AU_EXTERN AU_EXPORT void AuPmmngrFree(void* Address);
 
AU_EXTERN AU_EXPORT void AuPmmngrFreeBlocks(void* Addr, int Count);
 
AU_EXTERN AU_EXPORT uint64_t P2V(uint64_t addr);
 
AU_EXTERN AU_EXPORT uint64_t V2P(uint64_t vaddr);
 
extern void AuPmmngrMoveHigher();
 
extern uint64_t AuPmmngrGetFreeMem();
 
extern uint64_t AuPmmngrGetTotalMem();
 
extern void AuPmmngrAddRefcount(uint64_t physaddr, uint16_t count);
 
extern uint16_t AuPmmngrGetRefcount(uint64_t physaddr);
 
extern AuPageDesc* AuPmmngrGetPageDesc(uint64_t physaddr);
 
extern void AuPmmngrSetPageType(uint64_t physaddr, uint8_t flags);
#endif